docker run --rm -ti -e CI_SFDX_USERNAME=XXX@XXX -e CI_SFDX_CONSUMER_KEY=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX -v YOUR_PROJECT_FOLDER:/app -v YOUR_KEY:/app/assets/server.key salesforcedx-gitlab-ci sfdx-test.sh
- copy and rename gitlab-ci.yml in YOU_PROJECT_FOLDER/.gitlab-ci.yml
- Create a pipeline variable secret_key with your pem key (server.key) encoded in base64